A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A roof access stair for movement by building personnel over sections of a roof framework; the access stair comprising a section of access stair for insertion between, and support by, adjacent rafters of the roof framework. riO
A roof access stair for movement by building personnel over sections of a roof framework; the access stair comprising a section of access stair for insertion between, and support by, adjacent rafters of the roof framework. riO
ROOF ACCESS STAIR
AYOUB CHRIS (author)
2018-02-01
Patent
Electronic Resource
English
IPC:
E04G
SCAFFOLDING
,
Baugerüste
Stair, stair group and method for manufacturing stair group
| European Patent Office | 2024